package com.longshihan.hostapp.home;

import android.annotation.SuppressLint;
import android.content.ContentUris;
import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Environment;
import android.provider.DocumentsContract;
import android.provider.MediaStore;
import android.support.v4.app.Fragment;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.longshihan.hostapp.Constants;
import com.longshihan.hostapp.InstallPluginUtils;
import com.longshihan.hostapp.R;
import com.longshihan.hostapp.SharePreferencesHelper;
import com.qihoo360.replugin.RePlugin;
import com.qihoo360.replugin.component.service.PluginServiceClient;
import com.qihoo360.replugin.model.PluginInfo;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;

public class MainActivity extends AppCompatActivity implements PluginListAdapter.OnPluginLoadListener, InstallPluginUtils.onInstallPluginListener {

    RecyclerView listView;
    private TextView textView;
    private InstallPluginUtils installPluginUtils;
    PluginListAdapter adapter;
    private List<PluginModel> pluginModels;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        listView = findViewById(R.id.listview);
        textView = findViewById(R.id.reloadapk);
        installPluginUtils = new InstallPluginUtils(this);
        installPluginUtils.setListener(this);
//        RePlugin.registerHookingClass("com.longshihan.pluginfragment.BlankFragment",RePlugin.createComponentName("com.longshihan.pluginfragment","com.longshihan.pluginfragment.BlankFragment"),null);
        Gson gson2 = new Gson();
        String str = (String) SharePreferencesHelper.get(this, Constants.pluginData, "");
        if (!TextUtils.isEmpty(str)) {
            pluginModels = gson2.fromJson(str, new TypeToken<List<PluginModel>>() {
            }.getType());
        }
        if (pluginModels == null) {
            pluginModels = new ArrayList<>();
        }
        adapter = new PluginListAdapter(this, this);
        listView.setAdapter(adapter);
        listView.setLayoutManager(new LinearLayoutManager(this));
        adapter.setPluginModels(pluginModels);
        textView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
                //选择文件
                intent.setType("*/*");//无类型限制
                intent.addCategory(Intent.CATEGORY_OPENABLE);
                startActivityForResult(intent, 1);
            }
        });
    }


    @Override
    public void onInstallPluginInfo(PluginModel model) {
        installPluginUtils.startRePlugin(model.addr);
    }

    @Override
    public void onunInstallPluginInfo(PluginModel model) {
        RePlugin.uninstall(model.packageName);
    }

    @Override
    public void onStartActivity(PluginModel pluginModel, String activityName) {
        RePlugin.startActivity(MainActivity.this,
                RePlugin.createIntent(pluginModel.packageName, activityName));
//        ClassLoader loader = RePlugin.fetchClassLoader(pluginModel.packageName);
//        try {
//            Fragment fragment =  loader.loadClass("com.longshihan.pluginfragment.BlankFragment").asSubclass(Fragment.class).newInstance();
//            getSupportFragmentManager().beginTransaction().replace(android.R.id.content, fragment).commit();
//        } catch (Exception e) {
//            e.printStackTrace();
//        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        if (resultCode == RESULT_OK) {
            Uri uri = data.getData();
            if (Build.VERSION.SDK_INT > Build.VERSION_CODES.KITKAT) {//4.4以后
                String path = getPath(this, uri);
                installPlugin(path);
            } else {//4.4以下下系统调用方法
                String path = getRealPathFromURI(uri);
                installPlugin(path);
            }
        }
    }

    public void installPlugin(String path) {
        if (!TextUtils.isEmpty(path) && path.endsWith(".apk")) {
            PackageManager pm = getPackageManager();
            PackageInfo pkgInfo = pm.getPackageArchiveInfo(path, PackageManager.GET_ACTIVITIES);
            if (pkgInfo != null && !TextUtils.isEmpty(pkgInfo.packageName)) {
                boolean isinstall = false;
                for (int i = 0; i < pluginModels.size(); i++) {
                    PluginModel pluginModel = pluginModels.get(i);
                    if (!TextUtils.isEmpty(pluginModel.packageName) && pluginModel.packageName.equals(pkgInfo.packageName)) {
                        isinstall = true;
                        if (pluginModel.pluginInfo != null) {
                            if (pluginModel.pluginInfo.getVersion() < pkgInfo.versionCode) {
                                //已经安装，需要升级
                                pluginModel.addr = path;
                                pluginModel.isLoad = true;
                                pluginModel.isUpgrade = true;
                            }
                        } else {//没有安装过
                            pluginModel.pluginInfo = null;
                            pluginModel.packageName = pkgInfo.packageName;
                            pluginModel.addr = path;
                            pluginModel.isLoad = false;
                            pluginModel.name = pkgInfo.packageName;
                        }
                        break;
                    }
                }
                if (!isinstall) {
                    PluginModel pluginModel = new PluginModel();
                    pluginModel.pluginInfo = null;
                    pluginModel.packageName = pkgInfo.packageName;
                    pluginModel.addr = path;
                    pluginModel.isLoad = false;
                    pluginModel.name = pkgInfo.packageName;
                    pluginModel.topActivityStr = pkgInfo.activities[0].name;
                    adapter.addPluginModels(pluginModel);
                } else {
                    adapter.setPluginModels(pluginModels);
                }
            }
        }
    }

    public String getRealPathFromURI(Uri contentUri) {
        String res = null;
        String[] proj = {MediaStore.Images.Media.DATA};
        Cursor cursor = getContentResolver().query(contentUri, proj, null, null, null);
        if (null != cursor && cursor.moveToFirst()) {
            int column_index = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DATA);
            res = cursor.getString(column_index);
            cursor.close();
        }
        return res;
    }

    /**
     * 专为Android4.4设计的从Uri获取文件绝对路径，以前的方法已不好使
     */
    @SuppressLint("NewApi")
    public String getPath(final Context context, final Uri uri) {

        final boolean isKitKat = Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT;

        // DocumentProvider
        if (isKitKat && DocumentsContract.isDocumentUri(context, uri)) {
            // ExternalStorageProvider
            if (isExternalStorageDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                if ("primary".equalsIgnoreCase(type)) {
                    return Environment.getExternalStorageDirectory() + "/" + split[1];
                }
            }
            // DownloadsProvider
            else if (isDownloadsDocument(uri)) {

                final String id = DocumentsContract.getDocumentId(uri);
                final Uri contentUri = ContentUris.withAppendedId(
                        Uri.parse("content://downloads/public_downloads"), Long.valueOf(id));

                return getDataColumn(context, contentUri, null, null);
            }
            // MediaProvider
            else if (isMediaDocument(uri)) {
                final String docId = DocumentsContract.getDocumentId(uri);
                final String[] split = docId.split(":");
                final String type = split[0];

                Uri contentUri = null;
                if ("image".equals(type)) {
                    contentUri = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
                } else if ("video".equals(type)) {
                    contentUri = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
                } else if ("audio".equals(type)) {
                    contentUri = MediaStore.Audio.Media.EXTERNAL_CONTENT_URI;
                }

                final String selection = "_id=?";
                final String[] selectionArgs = new String[]{split[1]};

                return getDataColumn(context, contentUri, selection, selectionArgs);
            }
        }
        // MediaStore (and general)
        else if ("content".equalsIgnoreCase(uri.getScheme())) {
            return getDataColumn(context, uri, null, null);
        }
        // File
        else if ("file".equalsIgnoreCase(uri.getScheme())) {
            return uri.getPath();
        }
        return null;
    }

    /**
     * Get the value of the data column for this Uri. This is useful for
     * MediaStore Uris, and other file-based ContentProviders.
     *
     * @param context       The context.
     * @param uri           The Uri to query.
     * @param selection     (Optional) Filter used in the query.
     * @param selectionArgs (Optional) Selection arguments used in the query.
     * @return The value of the _data column, which is typically a file path.
     */
    public String getDataColumn(Context context, Uri uri, String selection,
                                String[] selectionArgs) {

        Cursor cursor = null;
        final String column = "_data";
        final String[] projection = {column};

        try {
            cursor = context.getContentResolver().query(uri, projection, selection, selectionArgs,
                    null);
            if (cursor != null && cursor.moveToFirst()) {
                final int column_index = cursor.getColumnIndexOrThrow(column);
                return cursor.getString(column_index);
            }
        } finally {
            if (cursor != null)
                cursor.close();
        }
        return null;
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is ExternalStorageProvider.
     */
    public boolean isExternalStorageDocument(Uri uri) {
        return "com.android.externalstorage.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is DownloadsProvider.
     */
    public boolean isDownloadsDocument(Uri uri) {
        return "com.android.providers.downloads.documents".equals(uri.getAuthority());
    }

    /**
     * @param uri The Uri to check.
     * @return Whether the Uri authority is MediaProvider.
     */
    public boolean isMediaDocument(Uri uri) {
        return "com.android.providers.media.documents".equals(uri.getAuthority());
    }

    @Override
    public void onInstallSuccess(PluginInfo pluginInfo) {
        //插件安装成功
        if (pluginInfo != null && pluginModels != null) {
            for (int i = 0; i < pluginModels.size(); i++) {
                if (pluginInfo.getPackageName().equals(pluginModels.get(i).packageName)) {
                    pluginModels.get(i).isUpgrade = false;
                    pluginModels.get(i).pluginInfo = pluginInfo;
                    pluginModels.get(i).isLoad = true;
                    break;
                }
            }
            adapter.setPluginModels(pluginModels);
        }

    }
}
